Bed heater



FIG. 1 is a right, top, front perspective view of a bed heater accordingto my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 the right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line representations in the figures of the drawings are forthe purpose of illustration only, and form no part of the claimeddesign.

The ornamental design for a bed heater, as shown and described.